What was found
CIDS 1 EMERGENCY POWER SUPPLY UNIT FAILED A TEST ON PS CHECK. MAINTENANCE REPLACED THE BATTERY 10WL IAW AMM 33-51-38 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CIDS 1 EMERGENCY POWER SUPPLY UNIT FAILED A TEST ON PS CHECK. MAINTENANCE REPLACED THE BATTERY 10WL IAW AMM 33-51-38 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.